Answer:he iris, the visible colored part of the eye, is the most anterior portion of the vascular layer of the eye, and either dilates or constricts to control how much light enters the posterior chamber.
Explanation:
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Answer:
I think it's A because most drugs have side effects... But I'm not sure
Endocrine glands are glands of theendocrine system that secrete their products, hormones, directly into the blood rather than through a duct. The major glands of the endocrine system include the pineal gland, pituitarygland, pancreas, ovaries, testes, thyroid gland, parathyroid gland, hypothalamus and adrenal